RTX 3090: give your trial a concrete framework.
With 24 GB of GDDR6X and one GPU per lot, the NVIDIA GeForce RTX 3090 is an option for picking up CUDA or graphics work whose requirements you already know. Its value is judged on your file, your model, and your organization: a card's name doesn't replace a well-prepared trial.
Picking up an existing project
If you already have a script or a scene, start by gathering what it needs to run elsewhere: versions, extensions, file paths, and launch commands. A dependency error can look like a hardware problem. First reproduce a small successful run, then increase the volume without changing every parameter at once.
24 GB: find the limit that applies to you
A large folder on disk doesn't necessarily have to be loaded entirely onto the GPU. Split the work into batches when your software allows it, and watch memory during the most demanding pass. Conversely, a single scene or a single request can exceed the capacity. The RTX A6000 offers 48 GB if your need falls into that second case.
Keep a record of how it runs
For Blender, note the render engine, quality settings, and extensions used. For PyTorch, check that the installation actually accesses the GPU before loading your whole project. Keep a reference result, the useful log, and the settings you settled on. That little sheet makes comparing with another card far easier to explain to a client.
When should you choose another 24 GB card?
The RTX A5000 costs less for each of the three durations and may be enough if budget drives your choice. The RTX 4090 keeps the same 24 GB capacity: choose it after comparing on your own task, without assuming every workload will benefit from the same gain. If memory is your obstacle, compare a higher capacity instead.
Choosing the duration around the deliverable
Rental costs 27.86 USD for 3 days, 65 USD for 7 days, and 230 USD for 30 days per lot. Three days suit a prepared task; seven days leave room to organize revisions; thirty days go along with a succession of deliverables. Select your setup and your details, then follow the crypto instructions. Before the rental ends, check your copies and keep the settings that produced the result you chose.